An acronym for Rádio e Televisão dePortugal which is the public service broadcasting organisation of Portugal just like the BBC is the public service broadcasting organisation of the UK.
Verb – Acronym – Literally to; Remove The Perspiration From My Butt Originating in the Dirty South region, specifically the city of Madison Alabama, often used by male middle or high school students to indicate the presence of swamp ass, and to denote their reason for leaving while in the company of females.
Tell Mrs Schutzbach I'll be late for class, I've gotta go RTPFMB